642693116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{398693}}^1$

素因数の和:398741

約数の個数: 24

約数和(自身を含む): 1250304384

約数和(自身を除く): 607611268

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 398693, 797386, 1594772, 5183009, 10366018, 12359483, 20732036, 24718966, 49437932, 160673279, 321346558, 642693116]

約数ペア:

[(1, 642693116), (2, 321346558), (4, 160673279), (13, 49437932), (26, 24718966), (31, 20732036), (52, 12359483), (62, 10366018), (124, 5183009), (403, 1594772), (806, 797386), (1612, 398693)]